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All Journal MEDIA PETERNAKAN - Journal of Animal Science and Technology

P D.M.H Karti

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Author-ID : 296125

Agriculture, Biological Sciences & Forestry

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The Role of Arbuscular Mycorrhizal Fungi in Enhancing Productivity, Nutritional Quality, and Drought Tolerance Mechanism of Stylosanthes seabrana P D.M.H Karti; D A Astuti; S Nofyangtri
Media Peternakan Vol. 35 No. 1 (2012): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Arbuscular Mycorrhizal Fungi (AMF) is a symbiotic association between plant roots and fungi. Their major role is to enhance nutrient and water uptake by the host plants. The objective of this research was to study the role of AMF in enhancing productivity, nutritional quality and tolerance mechanism of Stylosanthes seabrana in drought conditions. This research used a completely randomized design with four treatments: A0 (without AMF), A1 (without AMF in drought), A2 (with AMF), and A3 (with AMF in drought) in S. seabrana. Parameters observed were the soil moisture content, water potential of shoot, relative water content of leaf (RWC), root length, shoot and root dry weight, proline, soluble sugars, crude protein, gas production, and digestibility of organic matter. The data were analyzed with analysis of variance (ANOVA) and the differences between treatments were analyzed with Duncan Multiple Range test. Results showed that inoculation of AMF could enhance leaf water potential, shoot and root dry weight, crude protein, gas production, digestibility of organic matter, but decreased proline and soluble sugars significantly (PS. seabrana seems likely through accumulating organicosmolytes such as prolines and soluble sugars.

Physiological Adaptation and Biomass Production of Macroptilium bracteatum Inoculated with AMF in Drought Condition S Sowmen; L Abdullah; P D.M.H Karti; D Sopandie
Media Peternakan Vol. 35 No. 2 (2012): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

The objective of this experiment was to evaluate the effect of drought stress and mycorrhizal inoculation on physiological adaptation and biomass production of Macroptilium bracteatum. This experiment was arranged in completely randomized design with four treatments: M0 (no AM + watered), M1 (AM + watered), M2 (no AM + drought), and M3 (AM + drought) with three replicates. The observed variables were soil water content, leaf water potential, leaf relative water content, leaf proline, leaf water soluble carbohydrate (WSC), root and shoot dry weight. Data were analyzed by ANOVA and differences between treatments were tested by DMRT. Drought treatments (M2 and M3) significantly (P < 0.05) decrease soil water content, leaf water potential, leaf relative water content and increased the leaf proline content. The result in root and shoot dry weight appear that M1 treatment was significantly different (P < 0.05) with treatment M0, M2, and M3. For leaf WSC, M0 and M2 treatments were significantly different (P < 0.05) with treatment M1 and M3. It is concluded that mycorrhiza inoculation was more effective on M. bracteatum, in drought stress. One mechanism of drought resistance of M. bracteatum is the accumulation of osmotic compounds proline. Therefore, proline can be used as an indicator of drought resistance in leguminous plants.

Production, Competition Indices, and Nutritive Values of Setaria splendida, Centrosema pubescens, and Clitoria ternatea in Mixed Cropping Systems in Peatland A Ali; L Abdullah; P D.M.H Karti; M A Chozin; D A Astuti
Media Peternakan Vol. 36 No. 3 (2013): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

This research was conducted to evaluate production, different competition indices and nutritive value of Setaria splendida, Centrosema pubescens, and Clitoria ternatea in monoculture and mix cropping system on peat soil land. The experiment was set up in a randomized complete block design with five treatments and three replications. The five treatments were: S. splendida sole cropping (SS), C. pubescens sole cropping (CP), C. ternatea sole cropping (CT), S. splendida and C. pubescens mix cropping (SS/CP) and S. splendida/C. ternatea mix cropping (SS/CT). The DM yield of S. splendida in mixed cropping with C. pubescens increased 43.4% and in mix cropping with C. ternatea increased 15.7% compared to sole S. splendida. The value of land equivalent ratio of SS/CP (LERSS/CP) was >1. The LERSS/CT value was <1. The crowding coefficient value of S. splendida (KSS) was higher than KCP and KCT. The total value of KSS/CP and KSS/CT were >1. The competition ratio (CR) values of S. splendida in both mix cropping were >1. The agressivity (A) values of S. splendida in both mix cropping were positive. The crude protein, NDF and ADF content of forage were not affected by mix cropping system. In conclusion, mix cropping in peatland do not affect productivity and nutritive value of S. splendida, C. pubescens, and C. ternatea. S. splendida is more effective in exploiting environmental resources when intercropped with C. pubescens compared to C. ternatea on peatland.

Utilization of Swamp Forages from South Kalimantan on Local Goat Performances T Rostini; L Abdullah; K G Wiryawan; P D.M.H Karti
Media Peternakan Vol. 37 No. 1 (2014): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Forages in swamp area consist of grass and legumes that have good productivity and nutrient quality. This research was aimed to evaluate the potency of swamp forage on digestibility and performance of goats. There were 24 local male goats aged 10-12 months with initial body weight of 13.10±1.55 kg, allocated into 6 treatments. Those were control (R0): 60% grass and 40% legumes; (R1): 60% swamp forages and 40% concentrate; (R2): 100% swamp forages; (R3): 100% swamp forage hay; (R4): 100% swamp forage silage; (R5): 100% haylage swamp forages. Results showed that silage treatment significantly increased (P<0.05) consumption and digestibility. Swamp forages could be utilized well by preservation (silage, hay, and haylage). Ensilage of swamp forages increased protein content from 13.72% to 14.02%, protein intake (74.62 g/d), dry matter intake (532.11 g/d), nitrogen free extract intake (257.39 g/d), with total body weight gain (3.5 kg) in eight weeks and average daily gain (62.60 g/d). It is concluded that ensilage of swamp forages (R4) is very potential to be utilized as forage source for ruminants such as goats. Key words: body weight, goat, haylage, silage, swamp forage

Co-Authors A Ali D A Astuti D Sopandie K G Wiryawan L Abdullah M A Chozin S Nofyangtri S Sowmen T Rostini

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